Search our library of Biology questions

Top answers

Biology

All levels

Cystic Fibrosis (CF) is a recessively inherited disorder. A father is a suffer of CF, while the mother is normal and not a carrier. What is the chance their child will be a carrier of CF? Give your answer as a percentage.

First write a key for the alleles. (normal Allele=T. CF allele=t) If the mother is normal= TT Father is a suffer =tt. Then Draw a punnet diagram for the child Write a key for the punnet diagram. TT-normal...

Answered by Natasha I. • Biology tutor

2311 Views

Explain how ATP is generated by oxidative phosphorylation.

Electrons and H+ ions are donated to the electron transport chain (located in the inner mitochondrial membrane) from NADH and FADH2 (generated during glycolysis, the Krebbs cycle and the Link reaction). T...

Answered by Katie O. • Biology tutor

7348 Views

Give the full balanced symbol and word equation for aerobic respiration

glucose + oxygen --> energy + carbon dioxide + water C6H12O6 + 6O2 ---> energy + 6CO2 + 6H20

Answered by Justine V. • Biology tutor

9729 Views

What is the cardiac cycle?

The cardiac cycle is the continual sequence of contraction and relaxation of the atria and ventricles to keep blood continually circulating around the body.

First the atria contract decreasing thei...

Answered by Emma R. • Biology tutor

4965 Views

What is the difference in structure between arteries and veins?

Arteries carry blood away from the heart to the rest of the body and veins then take blood back to the heart. Because the heart directly pumps blood into the arteries by its forceful contractions, arterie...

Answered by Emma R. • Biology tutor

7037 Views